Marcy: This is an oddly aggressive political card that I think just gets you beaten out of the game by the other players for being annoying
While Ayara can be tapped to sacrifice a black creature to draw a card, it states that whenever it or another black creature enters the battlefield under its owner's control, each opponent loses one life, and its controller gains one life
All of that sounds powerful enough, but dont forget that flickering Galadriel resets the alliance ability, which allows you to get all three modes over and over
Time will tell, and cards with well supported themes tend to only get more potential over time
If your deck's key engine is a 4cmc commander like Kaalia of the Vast, for example, then you will want to run ramp cards that can get her out faster, which means ramp that is between 0-2cmc so you can cast Kaalia on turn 3 or earlier instead of her usual turn 4